Testimonies, photostemp
Full tensors solutions
Errors-To: researchcmt-bounces@geohazards.usgs.gov
USGS research CMT: maintained and developed by Jascha Polet at Cal Poly Pomona.
This is a research system and solutions are *not* official USGS earthquake magnitudes.
AUTOMATIC solution, not reviewed by a seismologist, new beta version 2/13/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/120831233757.C000CCX2
usr/passwd : rcmt/rcmt
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General region : C000CCX2 PHILIPPINE ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CTAO MA2 MAJO PET PMG ULN YSS
Origin time: 2012 244 23 37 57
Origin time reformatted: 2012-08-31 23:37:57
Original location (lat,lon,depth) : 10.4 126.8 35
Moment tensor (x1.e26 dyncm) :
Mrr : -0.299865 Mtt : 0.192037
Mff : 0.107828 Mrt : -0.069924
Mrf : -0.152987 Mtf : -0.006729
T-axis: moment= 0.206 plunge= 12.114 azimuth= 164.384
N-axis: moment= 0.154 plunge= 15.060 azimuth= 71.073
P-axis: moment= -0.359 plunge= 70.488 azimuth= 291.665
best double couple: Mo= 0.283(x1.e26 dyncm) Mw=6.2 tau= 3.6
nodal planes (strike/dip/slip): 61.69/ 58.80/-107.69 273.30/ 35.42/-63.37
Centroid location : 10.404 125.249 51.075
Centroid time : 14.592
Variance reduction (%) : 10.3
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 2 0 0 0 3 0 0 0 0 0 0
r-comp: 0 0 0 0 0 3 1 0 0 0 0 0
t-comp: 0 2 0 0 0 2 1 0 0 0 0 0
Total number of traces used = 14
number of runs = 9
starttime = Fri Aug 31 17:53:58 MDT 2012
Solution produced by inversion of channels with var red > 2%
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To: eqinfo-mt@gfz-potsdam.de
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Subject: MT solution GFZ event gfz2012rdua
GFZ Event gfz2012rdua
12/08/31 23:37:59.45
Philippine Islands Region
Epicenter: 10.45 126.93
MW 5.6
GFZ MOMENT TENSOR SOLUTION
Depth 26 No. of sta: 55
Moment Tensor; Scale 10**17 Nm
Mrr=-3.43 Mtt= 1.20
Mpp= 2.23 Mrt=-0.90
Mrp= 1.17 Mtp= 1.20
Principal axes:
T Val= 2.69 Plg=13 Azm=247
N 1.10 5 156
P -3.79 76 48
Best Double Couple:Mo=3.4*10**17
NP1:Strike=154 Dip=58 Slip= -94
NP2: 343 32 -81
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/31, 23:37:58.4, PHILIPPINE ISLANDS REGION, MW=5.6
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
August 31, 2012, PHILIPPINE ISLANDS REGION, MW=5.6
Meredith Nettles
Goran Ekstrom
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201208312337A
DATA: II IU CU LD IC G MN GE DK
L.P.BODY WAVES: 50S, 73C, T= 40
SURFACE WAVES: 133S, 235C, T= 50
TIMESTAMP: Q-20120901222804
CENTROID LOCATION:
ORIGIN TIME: 23:37:59.1 0.2
LAT:10.45N 0.02;LON:127.00E 0.01
DEP: 13.4 0.7;TRIANG HDUR: 1.6
MOMENT TENSOR: SCALE 10**24 D-CM
RR=-2.890 0.102; TT= 0.465 0.055
PP= 2.430 0.070; RT= 0.038 0.169
RP=-1.300 0.151; TP=-0.729 0.036
PRINCIPAL AXES:
1.(T) VAL= 2.940;PLG=12;AZM= 73
2.(N) 0.261; 6; 165
3.(P) -3.195; 77; 279
BEST DBLE.COUPLE:M0= 3.07*10**24
NP1: STRIKE=156;DIP=33;SLIP=-100
NP2: STRIKE=348;DIP=57;SLIP= -83
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